Home / 20,347.23-30,521.70-7,200.93

Finding the Fourth Proportional to 20,347.23, 30,521.70 and 7,200.93

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Solution

The fourth proportional to 20,347.23, 30,521.70 and 7,200.93 is: 10,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.23 : 30,521.70 = 7,200.93 : x
  2. Step 2: Convert to fraction form
    20,347.23/30,521.70 = 7,200.93/x
  3. Step 3: Cross multiply
    20,347.23x = 30,521.70 × 7,200.93
  4. Step 4: Simplify right side
    20,347.23x = 219,784,625.18
  5. Step 5: Solve for x
    x = 219,784,625.18/20,347.23
  6. Step 6: Final answer
    x = 10,801.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.